English verb conjugation CAN SMOOTH

Regular verb: smooth - smoothed - smoothed

Affirmation

Simple form

I can smooth
you can smooth
he can smooth
we can smooth
you can smooth
they can smooth

V-ing form

I can be smoothing
you can be smoothing
he can be smoothing
we can be smoothing
you can be smoothing
they can be smoothing

Perfect

I can have smoothed
you can have smoothed
he can have smoothed
we can have smoothed
you can have smoothed
they can have smoothed

V-ing perfect

I can have been smoothing
you can have been smoothing
he can have been smoothing
we can have been smoothing
you can have been smoothing
they can have been smoothing

Negation

Simple form

I cannot smooth
you cannot smooth
he cannot smooth
we cannot smooth
you cannot smooth
they cannot smooth

V-ing form

I cannot be smoothing
you cannot be smoothing
he cannot be smoothing
we cannot be smoothing
you cannot be smoothing
they cannot be smoothing

Perfect

I cannot have smoothed
you cannot have smoothed
he cannot have smoothed
we cannot have smoothed
you cannot have smoothed
they cannot have smoothed

V-ing perfect

I cannot have been smoothing
you cannot have been smoothing
he cannot have been smoothing
we cannot have been smoothing
you cannot have been smoothing
they cannot have been smoothing

Interrogative form

Simple form

can I smooth?
can you smooth?
can he smooth?
can we smooth?
can you smooth?
can they smooth?

V-ing form

can I be smoothing?
can you be smoothing?
can he be smoothing?
can we be smoothing?
can you be smoothing?
can they be smoothing?

Perfect

can I have smoothed?
can you have smoothed?
can he have smoothed?
can we have smoothed?
can you have smoothed?
can they have smoothed?

V-ing perfect

can I have been smoothing?
can you have been smoothing?
can he have been smoothing?
can we have been smoothing?
can you have been smoothing?
can they have been smoothing?

Interro-negative form

Simple form

can I not smooth?
can you not smooth?
can he not smooth?
can we not smooth?
can you not smooth?
can they not smooth?

V-ing form

can I not be smoothing?
can you not be smoothing?
can he not be smoothing?
can we not be smoothing?
can you not be smoothing?
can they not be smoothing?

Perfect

can I not have smoothed?
can you not have smoothed?
can he not have smoothed?
can we not have smoothed?
can you not have smoothed?
can they not have smoothed?

V-ing perfect

can I not have been smoothing?
can you not have been smoothing?
can he not have been smoothing?
can we not have been smoothing?
can you not have been smoothing?
can they not have been smoothing?

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